ERROR: NMO not setuid-root (Unix-only)

When you use emctl to start the Oracle console, the following ERROR occurs: NMO not setuid-root (Unix-only), multiple databases run on one server, and EM cannot be used properly. re-create EM through emca. the command is as follows: emca-config all db-repos recreate start EM emctl start dbconsole Description: The above command will start the agent and dbconsole, the results of running emctl start agent and emctl start dbconsole are the same. emctl stop agent and emctl stop dbconsole both stop agent and dbcosole. the following Error is prompted when you use EM for backup: Validation Error Examine and correct the following errors, then retry the operation: Error-Connection to host as user oracle failed: ERROR: NMO not setuid-root (Unix-only) solution: run $ ORACLE_HOME/root again. sh to solve the problem. because the root is executed during database installation. sh. It is suspected that the re-execution of root is required after re-building EM. sh. No. The cause of the problem was not found. ERROR: NMO not setuid-root (Unix-only) solution 1. Was the root. sh script. ran? 1) Stop EM 2) Run root. sh 3), start EM 2, Check the permission of the nmo and nmb executable found in $ ORACLE_HOME/bin or $ AGENT_OH/bin. both shoshould have the following permissions ls-al nmo ls-al nmb-rwsr-s --- 1 root oinstall 19656 Jan 9 nmo-rwsr-s --- 1 root oinstall 18462 Jan 9 nmb if not, change the permissions to match the above.